Legal Opinion
Adler Sign Letter Co. v. Wagner Sign Service Inc.
Court of Appeals for the Seventh Circuit
Decided April 25, 1940No. 7043, 7044PublishedCited by 11 opinions
1Opinion of the Court
MAJOR, Circuit Judge.
These appeals involve three patents relating to changeable letter silhouette signs such as are used to display the titles of pictures upon the marquees of motion picture theatres. The appeal in No. 7043 involves two suits brought by Wagner Sign Service, Inc. (hereinafter referred to as “Wagner”). The first charges infringement of Wagner’s Patent No. 2,048,040, by Adler Sign Letter Company and Ben Adler Signs, Inc. (hereinafter referred to as “Adler”). The second charges infringement of Wagner’s Garner and Auer Patent No. 2,-119,430, by Patio Theatre Company, a customer of…
2Cases cited2 opinions
- Lincoln Engineering Co. v. Stewart-Warner Corp.Supreme Court of the United States · 1938
- Detroit Motor Appliance Co. v. BurkeDistrict Court, D. Minnesota · 1925
3Cited by11 opinions
- Artmoore Co. v. Dayless Mfg. Co., Inc.Court of Appeals for the Seventh Circuit · 1954
- Technograph Printed Circuits, Ltd. v. Bendix Aviation Corp.District Court, D. Maryland · 1963
- Anderson Company v. Sears, Roebuck and Co., and Zaiger CorporationCourt of Appeals for the Seventh Circuit · 1959
- Minnesota Mining & Mfg. Co. v. International Plastic Corp.Court of Appeals for the Seventh Circuit · 1947
- Weather Engineering Corp. of America v. United StatesUnited States Court of Claims · 1980
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